:root{--ink:#15221f;--muted:#67746f;--line:#dce5e0;--paper:#f7f9f7;--green:#1d7058;--green-dark:#124a3c;--cyan:#2d8f9d;--gold:#ad7d2f;--blue:#356aa0;--white:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;letter-spacing:0}
a{color:inherit}
.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 max(28px,calc((100vw - 1180px)/2));border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand img{width:42px;height:42px;object-fit:contain}.brand span{display:flex;flex-direction:column;gap:2px}.brand strong{font-size:17px}.brand small{font-size:10px;color:var(--muted);text-transform:uppercase}
.server-state{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted)}.server-state span{width:8px;height:8px;border-radius:50%;background:#35a36f;box-shadow:0 0 0 4px rgba(53,163,111,.12)}
main{overflow:hidden}.band{padding:72px max(28px,calc((100vw - 1180px)/2))}.intro{min-height:390px;display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:80px;align-items:center;background:linear-gradient(100deg,#f4f8f4,#fff 72%)}
.eyebrow{margin:0 0 12px;color:var(--green);font-size:12px;font-weight:800;text-transform:uppercase}.intro h1{max-width:820px;margin:0;font-size:42px;line-height:1.24}.intro-copy>p:last-child{max-width:750px;margin:22px 0 0;font-size:17px;line-height:1.8;color:var(--muted)}
.snapshot{border-left:3px solid var(--gold);padding:18px 0 18px 24px;display:flex;flex-direction:column;gap:6px}.snapshot span,.snapshot small{font-size:12px;color:var(--muted)}.snapshot strong{font-size:30px;color:var(--green-dark)}
.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;padding:0 max(28px,calc((100vw - 1180px)/2));transform:translateY(-34px)}
.entry{min-height:168px;display:grid;grid-template-columns:46px minmax(0,1fr) 18px;align-items:center;gap:14px;padding:22px;text-decoration:none;border:1px solid var(--line);background:#fff;box-shadow:0 12px 32px rgba(15,35,28,.08);transition:transform .18s ease,border-color .18s ease}.entry:hover{transform:translateY(-3px);border-color:var(--green)}
.entry-icon{width:50px;height:50px;display:grid;place-items:center;background:var(--paper);color:var(--green)}.entry-icon svg,.entry-arrow,.system-link svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.entry span:nth-child(2){display:flex;flex-direction:column;gap:6px}.entry small{font-size:11px;color:var(--muted)}.entry strong{font-size:21px}.entry em{font-style:normal;font-size:13px;line-height:1.55;color:var(--muted)}.entry-arrow{width:20px;color:#93a29c}
.rd-entry .entry-icon{color:var(--blue)}.biz-entry .entry-icon{color:var(--gold)}.web-entry .entry-icon{color:var(--cyan)}
.assets{padding-top:56px}.section-heading{display:flex;justify-content:space-between;gap:48px;align-items:end;margin-bottom:38px}.section-heading h2{margin:0;font-size:30px;line-height:1.35}.section-heading>p{max-width:390px;margin:0;color:var(--muted);font-size:13px;line-height:1.7}.section-heading.compact{margin-bottom:28px}
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:34px}.metric-strip div{padding:24px 20px;border-right:1px solid var(--line)}.metric-strip div:last-child{border-right:0}.metric-strip strong{display:block;font-size:31px;color:var(--green)}.metric-strip span{display:block;margin-top:8px;font-size:13px;color:var(--muted)}
.asset-table{border-top:2px solid var(--green-dark)}.asset-row{display:grid;grid-template-columns:180px 1.65fr 1fr;gap:28px;padding:20px 12px;border-bottom:1px solid var(--line);align-items:start}.asset-row strong{font-size:16px}.asset-row span{font-size:14px;line-height:1.65;color:var(--muted)}.asset-head{padding:12px;background:var(--paper)}.asset-head span{font-size:12px;font-weight:800;color:var(--green-dark)}
.asset-actions{display:flex;align-items:center;gap:30px;margin-top:28px}.official-link{font-size:14px;color:var(--muted);text-decoration:none}.official-link:hover{color:var(--green-dark);text-decoration:underline}
.systems{background:#f5f7f5}.system-columns{display:grid;grid-template-columns:1fr 1fr;gap:72px}.system-columns article{position:relative;padding:4px 0}.system-no{display:block;color:var(--green);font-weight:800;font-size:12px;margin-bottom:12px}.system-columns h3{font-size:25px;margin:0 0 14px}.system-columns h3 small{font-size:12px;color:var(--muted);font-weight:600}.system-columns p{font-size:15px;line-height:1.75;color:var(--muted)}.system-columns ul{list-style:none;margin:22px 0 28px;padding:0;border-top:1px solid var(--line)}.system-columns li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.system-link{display:inline-flex;align-items:center;gap:8px;color:var(--green-dark);font-weight:800;text-decoration:none}.system-link svg{width:18px}.system-link:hover{text-decoration:underline}
.timeline ol{display:grid;grid-template-columns:repeat(4,1fr);list-style:none;margin:0;padding:0;border-top:2px solid var(--green)}.timeline li{padding:25px 28px 0 0}.timeline time{display:block;color:var(--green);font-size:13px;font-weight:800}.timeline strong{display:block;font-size:18px;margin:10px 0}.timeline span{display:block;font-size:13px;line-height:1.7;color:var(--muted)}
footer{display:flex;justify-content:space-between;gap:40px;padding:24px max(28px,calc((100vw - 1180px)/2));background:var(--green-dark);color:rgba(255,255,255,.72);font-size:11px;line-height:1.6}footer span:last-child{text-align:right;max-width:650px}
@media(max-width:1100px){.entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){.intro{grid-template-columns:1fr;gap:30px;min-height:auto}.intro h1{font-size:34px}.entry-grid{transform:none;padding-top:24px}.section-heading{align-items:start;flex-direction:column}.metric-strip{grid-template-columns:1fr 1fr}.asset-row{grid-template-columns:130px 1fr}.asset-row>*:last-child{grid-column:2}.asset-head>*:last-child{display:none}.system-columns{grid-template-columns:1fr;gap:48px}.timeline ol{grid-template-columns:1fr 1fr}.topbar{position:static}}
@media(max-width:560px){.topbar{height:auto;padding-top:14px;padding-bottom:14px}.brand small,.server-state{display:none}.band{padding:48px 20px}.intro h1{font-size:29px}.entry-grid{grid-template-columns:1fr;padding-left:20px;padding-right:20px}.entry{min-height:156px;grid-template-columns:44px 1fr 18px;padding:20px}.entry-icon{width:42px;height:42px}.metric-strip{grid-template-columns:1fr}.metric-strip div{border-right:0;border-bottom:1px solid var(--line)}.asset-row{grid-template-columns:1fr;gap:8px}.asset-row>*:last-child{grid-column:auto}.asset-head{display:none}.asset-actions{align-items:flex-start;flex-direction:column;gap:16px}.timeline ol{grid-template-columns:1fr}.timeline li{padding-bottom:20px}footer{flex-direction:column}footer span:last-child{text-align:left}}